Advantages and disadvantages of zero cold water heater

Introduction Advantages and disadvantages of non-cold water heaters The advantages of non-cold water heaters include instantaneous heating of hot water, use of constant temperature hot water, etc. However, the disadvantages are relatively large electricity and gas con

Advantages and disadvantages of zero cold water heater

The advantages of coldless water heaters include instant heating of hot water, use of hot water at constant temperature, etc. However, the disadvantages are relatively large consumption of electricity and gas and loud noise. .

1. Advantages of zero-cold water heaters

1 Hot water is immediately hot

Zero-cold water heaters use a. built-in circulation pump for heating water. The cold water remaining in the water pipe is discharged, preheated and transported to the pipe for storage, where it is continuously heated to achieve the effect of “hot water comes as soon as it is available. turned on, no need to wait".

2. Use of hot water at constant temperature

Zero cold water water heaters are equipped with a full range of temperature sensing devices. For today's zero cold water heaters, they are equipped.with a full range of temperature sensing devices inside. Don't underestimate this device. Thanks to its existence, the water temperature can always be maintained at a constant temperature and will not fluctuate up and down, avoiding the discomfort of being too high or too low when using water hot, which makes bathing with it. hot water in the most comfortable conditions.

2. Disadvantages of zero cold water heaters

1. Relatively large electricity and gas consumption

Compared to traditional gas water heaters, cold water water heaters zero. have The electricity and gas consumption is relatively large, but if you do not operate it 24 hours a day and do not make good use of the "scheduled cruise" and "single cruise" functions of the zero cold water heater, the additional cost is actually not high.

2. Loud sound

Since the pressure generated byzero cold water water heater return pump is higher than the tap water pressure, only cold water in the water The pipe can be returned to the water heater for heating, so when l When using the water heater, it will inevitably produce a loud sound, which is unavoidable.

Recommended tips for choosing water heaters

1 Consider the energy source: There are many energy options for home water heaters, notably electrical energy and solar energy. Solar energy, gas energy, etc., which are unique, are more suitable for building type houses. Electric power and gas power can be used for ordinary residential buildings. If you want a constant supply of hot water, gas water heaters. are more suitable. Especially when the family size is small and the population is large, gas water heaters are an excellent choice.

2. Look at the brand and price: There are many brands of water heaters on the market, and the price differences are also very obvious. You can choose some brands that focus on producing water heaters. an acceptable price for your family. It has more advantages in terms of quality and cost-performance ratio.

As people pursue comfortable water use, more and more users choose gas water heaters without cold water. The gas water heater without cold water solves the problem of users needing a large amount of cold water and wasting time waiting for hot water when using the water heater, and allows heating hot water immediately. At present, there are two types of zero cold water in the gas water heater industry, one is two-pipe zero cold water and the other is three-pipe zero cold water pipes. Which of thesethem cold water water heater zero is. better?

Two-pipe or three-pipe type

First of all, we need to understand the difference between two-pipe and three-pipe zero cold water gas water heaters:< / p>

Zero-type two-pipe cold water tubular water heaterIt is transformed from an ordinary gas water heater - "two pipes" refers to the two water pipes on the body of the gas water heater: the cold water inlet pipe and the hot water outlet pipe. The two-pipe zero. -The cold book gas water heater has no real The cold water pipe is used as a return pipe for circulation heating, which is no different from an ordinary gas water heater .

The three-pipe zero cold water water heater has three water pipes on the body: the inlet pipe, the water outlet pipe and the return pipe. In other words, the three-pipe zero cold water water heater. has a water pathu independent more than ordinary water heater - —Independent return water pipe to the fuselage and by installing a separate return water pipe, the return water can circulate independently, thus achieving the purpose of instant . hot water heating.

Three-pipe zero cold water

Two-pipe zero cold water water heater The cold water and return water are in the same pipe, and both must pass by the circulation pump, just like on the highway, cars traveling in both directions are crowded into one lane, and the three-pipe cold water heater has an independent return water pipe. Only the return water should go through the circulation pump, and the cold water should go through the circulation pump. does not pass through the circulation pump. There is no “clutter in the two-pipe zero cold water heater” phenomenon in the same way. Compared to two-pipe waterless water heatercold, the three-pipe water heater without cold water has the following four major advantages:

1. The cold water heater will not pass through the circulation pump and be hindered, so the water volume is larger

2. Less Noise: During the user's normal bathing process, the circulation pump does this; does not work and there is no water flowing, so the sound value is low;

3. Longer lifespan: The three-pipe cold water heater circulation pump only works when the return water is circulating; , and is closed the rest of the time, which can effectively extend the service life;

4. More convenient installation: Because the three-pipe zero cold water heater does not need to be installed. a three-way valve like the zero two-pipe cold water heater. The installation process is more convenient and the appearance is more beautiful.

Three pipe gas water heater without water fstiff

Some friends will ask: Can users who have completed the water passage or replaced the old machine with a new one still install a water heater without cold water gas water heater? In fact, in order to solve this problem, some brands of gas water heaters without cold water have specially added a bypass flow increasing system. When there is no return pipe, the water inlet pipe can be connected to the return port. Normally, the water circulates through the bypass flow increase pipe can directly enter the water volume server and then enter the heat exchanger without passing through the circulation pump. It also achieves “independent circulation”, ensuring a large volume of water and achieving instant water heating. hot water.

Diverter flow increase system

A gas water heater equipped with a zero cold water function. Hot water comes out immediatelyimmediately after opening the tap, reducing waiting time and saving water resources. and allowing users to easily enjoy the "heat in seconds" of water life.

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